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DateDate: 31-01-2019, 05:54

The glue is made of polymer with a shape memory effect.
The authors of the development are a team of scientists from Illinois. Researchers have long worked on such a reusable adhesive, but, by their own admission, the result exceeded expectations. As is known from their scientific report, the uniqueness of reusable glue is the ability to dry for a second, to maintain strength under water even under pressure, it can also withstand loads up to 5 kg
Reusability of the glue provides precisely the shape memory effect, due to which the glue can change. That is, adhesion - the force of adhesion of the adhesive to the surface - can go back from a glassy state to a liquid one without losing the effect at the next sticking. While the glue is not available for purchase, as it passes the final tests required for certification.
Source: VistaNews

DateDate: 30-01-2019, 05:55

In the market of charging devices traditional wire models are still in the lead, but manufacturers are already taking the first steps towards abandoning “cable slavery”. However, even the most advanced wireless solutions still need to be connected to the household power grid, and the freedom of movement of the gadget is limited by the surface of the base station. But this restriction may soon become history - American inventors managed to get a power source that does not tie the user to the outlet.
 
Scientists have created the original wireless charging technology.
A team of engineers at the Massachusetts Institute of Technology (MIT) has introduced a new type of antenna that can convert electromagnetic energy into direct current. As a source of electricity, the device uses, among other things, ubiquitous Wi-Fi radiation, receiving power for the device paired with it literally from the air.
"SUCH CONSTRUCTION LETTING A CAPACITY OF THE RUSSIAN HEALTHCOMPOSITION OF CURRENT HEALTH CAPACITY TO OUTLET THE OUTLOOK.
Scientists have created the original wireless charging technology.
The flexibility of rectenna allows you to place a novelty on any squares - from the walls of the premises to the buildings of miniature gadgets. Radiation falling on the working surface is converted to direct current with a power of about 40 microwatts. This is not enough for “gluttonous” smartphones, but already today there are many devices with low power consumption - for example, microchips and LEDs of IoT devices, as well as medical sensors or implants. In the latter case, the risk to the patient is significantly reduced compared with the use of lithium-ion batteries.
“IN IDEAL YOU DON'T WANT TO USE BATTERIES TO SUPPLY THESE SYSTEMS - BECAUSE THE LITHIUM LEAK THE PATIENT CAN DIE,” HESUS GRADE FROM THE TECHNICAL UNIVERSITY OF MADRID APPROVES.
Scientists have created the original wireless charging technology.
The very idea of converting Wi-Fi energy into electricity is not new, but the inventors have managed to significantly improve the previously known developments. The key difference in rectenna from analogs was the material for the rectifier - a device that converts alternating current into direct current. Instead of expensive and sufficiently hard gallium, molybdenum disulfide (MoS2) with a thickness of only three atoms was used for the first time — for large production scales, this will significantly reduce the cost of finished devices. Also, the novelty is able to capture higher frequencies (including Bluetooth and LTE) compared to similar solutions.
Currently, the inventors are working to develop larger antennas and increase the effectiveness of existing prototypes. Terms of commercial launch development are not called.
A source

DateDate: 29-01-2019, 05:54

Startup Swagtron introduced a new useful device for lovers of extreme sports.
So, in case of blows or injury of its owner, the helmet will automatically send a signal about the need for medical care and indicate its location. This writes "politeka".
In their development, the creators of the device were guided by fans of alpine skiing and snowboarding. It has the construction of a conventional helmet for winter sports, however, sensors and sensors are hidden inside the device. The main function is to alert relatives and emergency services in the event that the owner of Swagtron is seriously injured.
It is reported that the technology of the helmet is similar to the smart watch Apple Watch 4. If the device feels a blow to the surface, it will offer to call an ambulance and call yourself to the nearest hospital. However, the user will have 60 seconds to cancel the operation.
Moreover, through the device you can listen to music, radio and talk on the phone. The cost of smart protective equipment will be $ 165.

DateDate: 28-01-2019, 05:55

If you have several dogs and / or cats, then you probably have a problem when one animal “steals” food from the bowl of your mustache. The Italian company Volta finally decided to end this “chaos” with the help of a “smart” bowl.
Mookkie - is a bowl with a magnetic mount and wide-angle camera, as well as face recognition (or muzzle?). Each bowl has its own owner, whose image is stored in the system. If it is not nearby, the transparent polycarbonate lid blocks access to food. When an animal approaches a bowl, the embedded microprocessor uses a deep neural network to identify it. If the “face” is confirmed, the cap automatically moves away.
 
In fact, such a mechanism is already working on smartphones that have the function of unlocking using a face.
But Mookkie offers other options. Through a special application, a pet owner can receive alerts (including videos) that their furry friends have eaten, as well as a message that the bowl is empty. In addition, Mookkie has a night light to help animals find their bowl in the dark.
The cost of one such bowl is $ 189. The start of sales is scheduled for September 2019.
Source: https://ilenta.com/news/misc/misc_23677.html
© www.iLenta.com

DateDate: 27-01-2019, 07:46

The American company Radetec at the SHOT Show 2019 in Las Vegas presented a smart version of the Austrian Glock pistol.
According to TFB, the weapon is equipped with a specially developed for it shutter with an OLED display and a pusher of cartridges in a store with a position sensor.
Thanks to such modifications, the gun is able to show whether the cartridge is in the chamber, if the magazine is inserted and how many cartridges are in the shop, N + 1 writes.
The counters have almost no practical value, since many types of small arms have a bolt delay pointing to an empty magazine. In addition, during a shootout or in the shooting range, the fighters usually focus on the accuracy of firing, rather than the remaining ammunition in the store. However, weapons companies are developing counter. Today there are two types of cartridge counters: mechanical and electronic. The mechanical ones - through the pushing spring in the store, act on the ammunition indicator, and the electronic ones count the rest of the cartridges by the sound of shots or by recoil.
The Smart Slide shutter is equipped with a controller, a cartridge sensor in the chamber, a Bluetooth module and an OLED screen. It is able to connect wirelessly to a pusher that determines its position in the store. Thanks to this solution, the controller is able to accurately determine the number of cartridges in the store, despite the fact that it was initially fully or partially equipped, was removed from the pistol or not. In addition, Smart Slide can transfer data to a special smartphone app. In this case, the shooter can get data on the total consumption of cartridges by day.
In January 2017, the American company Cobalt Kinetics introduced the electronic ammunition counter for the AR-15 self-loading rifle. This device, unlike other counters, accurately determines the number of cartridges remaining in the store and displays it on the display. The counter is a remote display mounted on the side of the rifle and a special store. Between the display and the store can be wired or via Bluetooth. The balance of cartridges in the store is determined by the position of the pusher.